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Parameter shifts, \(D_ 4\) symmetry and joint eigenfunctions for commuting Askey-Wilson-type difference operators. (English) Zbl 1048.39014


MSC:

39A70 Difference operators
33D05 \(q\)-gamma functions, \(q\)-beta functions and integrals
33D45 Basic orthogonal polynomials and functions (Askey-Wilson polynomials, etc.)

Citations:

Zbl 0572.33012
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